Octolobus

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Octolobus
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Subfamily: Sterculioideae
Genus: Octolobus
Welw. [1]

Octolobus is a genus of tropical forest trees in the family Malvaceae, subfamily Sterculioideae (previously placed in the Sterculiaceae). They are found in Central and West Africa and are closely related to the genus Cola . [2] Both share a leaf structure with entire margins, featuring a cuneate base, three main veins, a pulvinus at the petiole tip, weak brochidodromous secondary veins, and multicellular glandular hairs on the epidermis. [3]

Contents

Species

Plants of the World Online lists: [2]

  1. Octolobus grandis Exell
  2. Octolobus heteromerus K.Schum.
  3. Octolobus spectabilis Welw. - type species

Related Research Articles

<span class="mw-page-title-main">Malvales</span> Order of flowering plants

The Malvales are an order of flowering plants. As circumscribed by APG II-system, the order includes about 6000 species within nine families. The order is placed in the eurosids II, which are part of the eudicots.

<i>Ophioglossum</i> Genus of fern in the family Ophioglossaceae

Ophioglossum, the adder's-tongue ferns, is a genus of about 50 species of ferns in the family Ophioglossaceae. The name Ophioglossum comes from the Greek meaning "snake-tongue". Their cosmopolitan distribution is mainly in tropical and subtropical habitats.

<span class="mw-page-title-main">Malvaceae</span> Family of flowering plants

Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao, roselle and durian. There are also some genera containing familiar ornamentals, such as Alcea (hollyhock), Malva (mallow), and Tilia. The genera with the largest numbers of species include Hibiscus, Pavonia, Sida, Ayenia, Dombeya, and Sterculia.

<i>Abutilon</i> Genus of flowering plants

Abutilon is a large genus of flowering plants in the mallow family, Malvaceae. It is distributed throughout the tropics and subtropics of the Americas, Africa, Asia, and Australia. General common names include Indian mallow and velvetleaf; ornamental varieties may be known as room maple, parlor maple, or flowering maple. The genus name is an 18th-century Neo-Latin word that came from the Arabic ’abū-ṭīlūn, the name given by Avicenna to this or a similar genus.

<i>Kosteletzkya</i> Genus of flowering plants

Kosteletzkya is a genus of the plant family Malvaceae that includes the seashore mallow. It includes about 27 species found worldwide.

<i>Theobroma</i> Genus of flowering plants in the mallow family Malvaceae

Theobroma is a genus of flowering plants in the mallow family, Malvaceae. It was previously classified as a member of Sterculiaceae, which has been incorporated into Malvaceae to make it monophyletic. It contains roughly 20 species of small understory trees native to the tropical forests of Central and South America.

Sterculiaceae was a family of flowering plant based on the genus Sterculia. Genera formerly included in Sterculiaceae are now placed in the family Malvaceae, in the subfamilies: Byttnerioideae, Dombeyoideae, Helicteroideae and Sterculioideae.

<i>Sterculia</i> Genus of flowering plants

Sterculia is a genus of flowering plants in the mallow family, Malvaceae: subfamily Sterculioideae. Members of the genus are colloquially known as tropical chestnuts. Sterculia may be monoecious or dioecious, and its flowers unisexual or bisexual.

<i>Brachychiton rupestris</i> Tree in the family Malvaceae native to Queensland, Australia

Brachychiton rupestris is a tree in the family Malvaceae, endemic to Queensland, Australia. Described by Sir Thomas Mitchell and John Lindley in 1848, it earned its name from its bulbous trunk, which can be up to 3.5 metres (11 ft) in diameter at breast height (DBH). Reaching around 10–25 m (33–82 ft) high, the Queensland bottle tree is deciduous, losing its leaves seasonally, between September and December. The leaves are simple or divided, with one or more narrow leaf blades up to 11 centimetres (4 in) long and 2 cm (0.8 in) wide. Cream-coloured flowers appear from September to November, and are followed by woody, boat-shaped follicles that ripen from November to May. No subspecies are recognised.

<i>Heritiera</i> Genus of flowering plants

Heritiera is a genus of flowering plants in the family Malvaceae, subfamily Sterculioideae. They are most dominant tropical forest trees in several areas in eastern Africa and India to the Pacific. Some are mangroves. Several are valuable for their timber and are over-exploited.

<i>Hildegardia</i> (plant) Genus of flowering plants

Hildegardia is a genus of trees in the family Malvaceae. In older systems of classification, it was placed in Sterculiaceae, but all members of that family are now in an expanded Malvaceae. The genus is named for Saint Hildegard of Bingen due to her contributions to herbal medicine. There are 13 species with a pantropical distribution.

<i>Malva sylvestris</i> Species of flowering plant

Malva sylvestris is a species of the mallow genus Malva in the family of Malvaceae and is considered to be the type species for the genus. Known as common mallow to English-speaking Europeans, it acquired the common names of cheeses, high mallow and tall mallow as it migrated from its native home in Western Europe, North Africa and Asia through the English-speaking world.

<span class="mw-page-title-main">Sterculioideae</span> Subfamily of trees and shrubs

Sterculioideae is a subfamily of the family Malvaceae containing evergreen and deciduous tree and shrub genera, that were previously placed in the obsolete family Sterculiaceae.

<i>Dorstenia</i> Genus of flowering plants

Dorstenia is a genus within the mulberry family, Moraceae. Depending on the author, there are said to be 100 to 170 species within this genus, second only in number to the genus Ficus within Moraceae. Plants of the World Online currently accepts 122 species. Dorstenia species are mainly known for their unusual inflorescences and growth habits. Dorstenia is named in honor of the German physician and botanist Theodor Dorsten (1492–1552). The type species is Dorstenia contrajerva.

<i>Cola</i> (plant) Genus of plants

Cola is a genus of trees native to the tropical forests of Africa, classified in the family Malvaceae, subfamily Sterculioideae. Species in this genus are sometimes referred to as kola tree or kola nut for the caffeine-containing fruit produced by the trees that is often used as a flavoring ingredient in beverages. The genus was thought to be closely related to the South American genus Theobroma, or cocoa, but the latter is now placed in a different subfamily. They are evergreen trees, growing up to 20 m tall, with glossy ovoid leaves up to 30 cm long and star-shaped fruit.

Cola elegans is a species of trees, classified in the family Malvaceae, subfamily Sterculioideae. It is found in Gabon.

<i>Pterocymbium</i> Genus of plants

Pterocymbium is a genus in the family Malvaceae: in the subfamily Sterculioideae and previously placed in the Sterculiaceae. In Indonesia, P. tinctorium (Kelumbuk) is a significant timber tree.

<i>Pterocymbium tinctorium</i> Species of plant in the family Malvaceae

Pterocymbium tinctorium is a tropical forest tree species in the family Malvaceae, subfamily Sterculioideae. In Vietnam, it is known as dực nang nhuộm. In Indonesia, it is called kelumbuk, where it is a significant timber tree growing to about 25 m high. In the Philippines it is called malasapsap.

<i>Cienfuegosia</i> Genus of flowering plants

Cienfuegosia is a genus of plants, in the family Malvaceae and placed in the tribe Gossypieae. Species can be found in central and south America, Africa including the Arabian peninsula.

<i>Cola greenwayi</i> Species of flowering plant

Cola greenwayi, commonly known as hairy cola or Zulu coshwood, is a species of flowering plant in the family Malvaceae. It was first described in 1956 by the British botanist John Patrick Micklethwait Brenan. It is native to southeastern Africa.

References

  1. Welwitsch FMJ (1869) Trans. Linn. Soc. London 27(1): 17.
  2. 1 2 Plants of the World Online (POWO): Octolobus Welw. (retrieved 26 August 2021)
  3. Pan, Aaron David; Jacobs, Bonnie F. (10 October 2009). "The earliest record of the genus Cola (Malvaceae sensu lato: Sterculioideae) from the Late Oligocene (28–27 Ma) of Ethiopia and leaf characteristics within the genus". Plant Systematics and Evolution. 283 (2): 247–262. doi:10.1007/s00606-009-0225-1.